Alert archive / Pennsylvania / 1991
Weather alerts in Pennsylvania, July 1991
88 weather alerts in July 1991, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in July 1991. Tap one for its archive.
- Alerts
- 88
- Warnings
- 88
- Watches
- 0
- Advisories
- 0
- Busiest day
- July 7, 199127 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 5, 1:06 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 69 min |
| Jul 5, 4:32 PM EDT | Severe Thunderstorm Warning | PBZ | Blair | 58 min |
| Jul 5, 4:59 PM EDT | Severe Thunderstorm Warning | CTP | Huntingdon | 61 min |
| Jul 5, 5:09 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion | 66 min |
| Jul 5, 5:46 PM EDT | Severe Thunderstorm Warning | CTP | Huntingdon, Mifflin | 59 min |
| Jul 6, 1:33 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion | 57 min |
| Jul 6, 2:18 PM EDT | Severe Thunderstorm Warning | CLE | Mercer | 57 min |
| Jul 6, 2:52 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler, Clarion | 68 min |
| Jul 6, 3:05 PM EDT | Severe Thunderstorm Warning | CLE | Lawrence | 55 min |
| Jul 6, 3:15 PM EDT | Severe Thunderstorm Warning | CLE | Venango | 60 min |
| Jul 6, 4:00 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 75 min |
| Jul 6, 4:13 PM EDT | Flash Flood Warning | CLE | Lawrence | 62 min |
| Jul 6, 4:13 PM EDT | Severe Thunderstorm Warning | CLE | Lawrence | 62 min |
| Jul 6, 5:03 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 57 min |
| Jul 6, 5:18 PM EDT | Flash Flood Warning | CLE | Lawrence | 57 min |
| Jul 6, 5:18 PM EDT | Severe Thunderstorm Warning | CLE | Lawrence | 57 min |
| Jul 6, 5:38 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 52 min |
| Jul 6, 5:50 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 55 min |
| Jul 6, 6:50 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 55 min |
| Jul 7, 3:27 AM EDT | Severe Thunderstorm Warning | CLE | Erie | 63 min |
| Jul 7, 4:12 AM EDT | Severe Thunderstorm Warning | CLE | Warren | 63 min |
| Jul 7, 5:02 AM EDT | Severe Thunderstorm Warning | CLE | Erie | 58 min |
| Jul 7, 5:47 AM EDT | Severe Thunderstorm Warning | CLE | Crawford | 58 min |
| Jul 7, 6:00 AM EDT | Severe Thunderstorm Warning | CLE | Erie | 60 min |
| Jul 7, 6:42 AM EDT | Severe Thunderstorm Warning | CLE | Crawford | 63 min |
| Jul 7, 7:36 AM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 69 min |
| Jul 7, 8:54 AM EDT | Severe Thunderstorm Warning | CTP | Centre | 66 min |
| Jul 7, 10:38 AM EDT | Severe Thunderstorm Warning | CTP | Lehigh | 67 min |
| Jul 7, 11:10 AM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery | 65 min |
| Jul 7, 11:10 AM EDT | Severe Thunderstorm Warning | PHI | Chester | 65 min |
| Jul 7, 11:12 AM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 63 min |
| Jul 7, 11:21 AM EDT | Severe Thunderstorm Warning | PBZ | Blair, Cambria | 69 min |
| Jul 7, 11:52 AM EDT | Severe Thunderstorm Warning | PHI | Delaware | 53 min |
| Jul 7, 12:02 PM EDT | Severe Thunderstorm Warning | PHI | Philadelphia | 43 min |
| Jul 7, 12:06 PM EDT | Severe Thunderstorm Warning | CTP | Huntingdon, Mifflin | 54 min |
| Jul 7, 12:44 PM EDT | Severe Thunderstorm Warning | CTP | Huntingdon | 31 min |
| Jul 7, 12:56 PM EDT | Severe Thunderstorm Warning | CTP | York | 49 min |
| Jul 7, 1:04 PM EDT | Severe Thunderstorm Warning | CTP | Adams | 26 min |
| Jul 7, 1:22 PM EDT | Tornado Warning | CTP | York | 23 min |
| Jul 7, 1:45 PM EDT | Severe Thunderstorm Warning | CTP | York | 30 min |
| Jul 7, 4:37 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 68 min |
| Jul 7, 4:37 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 68 min |
| Jul 7, 5:04 PM EDT | Tornado Warning | PBZ | Greene, Washington | 56 min |
| Jul 7, 6:28 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 62 min |
| Jul 7, 7:09 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 66 min |
| Jul 7, 7:19 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Somerset | 56 min |
| Jul 7, 8:59 PM EDT | Severe Thunderstorm Warning | CLE | Venango | 61 min |
| Jul 7, 10:46 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 59 min |
| Jul 7, 10:59 PM EDT | Severe Thunderstorm Warning | CLE | Lawrence, Mercer | 61 min |
| Jul 7, 11:21 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Butler, Washington | 2 hr |
| Jul 7, 11:26 PM EDT | Severe Thunderstorm Warning | CLE | Warren | 64 min |
| Jul 7, 11:43 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Venango | 62 min |
| Jul 8, 12:10 AM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Clarion | 80 min |
| Jul 8, 12:16 AM EDT | Severe Thunderstorm Warning | CLE | Elk, Forest, McKean | 59 min |
| Jul 8, 12:34 AM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Westmoreland | 86 min |
| Jul 8, 12:34 AM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 86 min |
| Jul 8, 12:45 AM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 75 min |
| Jul 8, 12:53 AM EDT | Flash Flood Warning | PBZ | Allegheny, Butler | 97 min |
| Jul 8, 1:07 AM EDT | Severe Thunderstorm Warning | PBZ | Cambria, Clearfield | 83 min |
| Jul 8, 1:07 AM EDT | Severe Thunderstorm Warning | PBZ | Somerset | 83 min |
| Jul 8, 1:28 AM EDT | Severe Thunderstorm Warning | CLE | Crawford | 47 min |
| Jul 8, 1:40 AM EDT | Severe Thunderstorm Warning | PBZ | Bedford, Blair | 50 min |
| Jul 8, 1:51 AM EDT | Severe Thunderstorm Warning | CLE | Mercer | 54 min |
| Jul 8, 3:40 AM EDT | Severe Thunderstorm Warning | PBZ | Blair, Cambria | 65 min |
| Jul 13, 7:58 AM EDT | Flash Flood Warning | PHI | Philadelphia | 92 min |
| Jul 13, 6:52 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Montgomery | 53 min |
| Jul 13, 7:47 PM EDT | Severe Thunderstorm Warning | PHI | Philadelphia | 58 min |
| Jul 22, 5:14 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 61 min |
| Jul 22, 5:14 PM EDT | Severe Thunderstorm Warning | CLE | Forest | 61 min |
| Jul 23, 11:40 AM EDT | Severe Thunderstorm Warning | CLE | McKean | 65 min |
| Jul 23, 12:39 PM EDT | Severe Thunderstorm Warning | CLE | Lawrence, Mercer | 66 min |
| Jul 23, 12:53 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 67 min |
| Jul 23, 1:00 PM EDT | Tornado Warning | CLE | Lawrence | 45 min |
| Jul 23, 1:05 PM EDT | Severe Thunderstorm Warning | CTP | Tioga | 55 min |
| Jul 23, 1:33 PM EDT | Severe Thunderstorm Warning | CTP | Bradford | 57 min |
| Jul 23, 1:49 PM EDT | Severe Thunderstorm Warning | CLE | Cameron, Elk | 56 min |
| Jul 23, 2:00 PM EDT | Severe Thunderstorm Warning | BGM | Wayne | 60 min |
| Jul 23, 2:08 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 67 min |
| Jul 23, 2:37 PM EDT | Severe Thunderstorm Warning | CTP | Clinton | 68 min |
| Jul 23, 3:03 PM EDT | Severe Thunderstorm Warning | BGM | Columbia | 57 min |
| Jul 23, 3:09 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 66 min |
| Jul 23, 3:14 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 46 min |
| Jul 23, 3:32 PM EDT | Severe Thunderstorm Warning | CTP | Carbon | 43 min |
| Jul 23, 3:43 PM EDT | Severe Thunderstorm Warning | CTP | Huntingdon, Mifflin | 62 min |
| Jul 23, 3:51 PM EDT | Severe Thunderstorm Warning | CTP | Montour, Northumberland | 54 min |
| Jul 23, 5:04 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 56 min |
| Jul 30, 6:00 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 60 min |
| Jul 30, 6:48 PM EDT | Severe Thunderstorm Warning | PBZ | Cambria, Somerset | 57 min |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 81 |
| Tornado Warning | 3 |
| Flooding | |
| Flash Flood Warning | 4 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Lawrence County8
- Crawford County7
- Butler County6
- Huntingdon County5
- Erie County5
- Blair County4
- Clarion County4
- Mercer County4
- Cambria County4
- Washington County4
- Mifflin County3
- Venango County3
- Westmoreland County3
- Allegheny County3
- Fayette County3
- Indiana County3
- Philadelphia County3
- York County3
- Somerset County3
- Armstrong County2
- Warren County2
- Centre County2
- Bucks County2
- Montgomery County2
- Chester County2
- Greene County2
- Beaver County2
- Elk County2
- Forest County2
- McKean County2
- Lycoming County2
- Lehigh County1
- Delaware County1
- Adams County1
- Jefferson County1
- Clearfield County1
- Bedford County1
- Tioga County1
- Bradford County1
- Cameron County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive19901992
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.